cam.py 文件源码

def get_face_mask(im, landmarks):
    im = np.zeros(im.shape[:2], dtype=np.float64)

    for landmark in landmarks:
        for group in OVERLAY_POINTS:
            draw_convex_hull(im,
                             landmark[group],
                             color=1)

    im = np.array([im, im, im]).transpose((1, 2, 0))

    im = (cv2.GaussianBlur(im, (FEATHER_AMOUNT, FEATHER_AMOUNT), 0) > 0) * 1.0
    im = cv2.GaussianBlur(im, (FEATHER_AMOUNT, FEATHER_AMOUNT), 0)

    return im

# Draw delaunay triangles